{"id":"AZL-59852","summary":"CVE-2025-22010 affecting package kernel for versions less than 6.6.85.1-2","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hns: Fix soft lockup during bt pages loop\n\nDriver runs a for-loop when allocating bt pages and mapping them with\nbuffer pages. When a large buffer (e.g. MR over 100GB) is being allocated,\nit may require a considerable loop count. This will lead to soft lockup:\n\n        watchdog: BUG: soft lockup - CPU#27 stuck for 22s!\n        ...\n        Call trace:\n         hem_list_alloc_mid_bt+0x124/0x394 [hns_roce_hw_v2]\n         hns_roce_hem_list_request+0xf8/0x160 [hns_roce_hw_v2]\n         hns_roce_mtr_create+0x2e4/0x360 [hns_roce_hw_v2]\n         alloc_mr_pbl+0xd4/0x17c [hns_roce_hw_v2]\n         hns_roce_reg_user_mr+0xf8/0x190 [hns_roce_hw_v2]\n         ib_uverbs_reg_mr+0x118/0x290\n\n        watchdog: BUG: soft lockup - CPU#35 stuck for 23s!\n        ...\n        Call trace:\n         hns_roce_hem_list_find_mtt+0x7c/0xb0 [hns_roce_hw_v2]\n         mtr_map_bufs+0xc4/0x204 [hns_roce_hw_v2]\n         hns_roce_mtr_create+0x31c/0x3c4 [hns_roce_hw_v2]\n         alloc_mr_pbl+0xb0/0x160 [hns_roce_hw_v2]\n         hns_roce_reg_user_mr+0x108/0x1c0 [hns_roce_hw_v2]\n         ib_uverbs_reg_mr+0x120/0x2bc\n\nAdd a cond_resched() to fix soft lockup during these loops. In order not\nto affect the allocation performance of normal-size buffer, set the loop\ncount of a 100GB MR as the threshold to call cond_resched().","modified":"2026-04-01T05:19:33.259483Z","published":"2025-04-08T09:15:24Z","upstream":["CVE-2025-22010"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-22010"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.85.1-2"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-59852.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}